CN104164024A - Semi-interpenetrating network high-foaming flame-retardant polyvinyl chloride alloy material - Google Patents
Semi-interpenetrating network high-foaming flame-retardant polyvinyl chloride alloy material Download PDFInfo
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- CN104164024A CN104164024A CN201410374457.9A CN201410374457A CN104164024A CN 104164024 A CN104164024 A CN 104164024A CN 201410374457 A CN201410374457 A CN 201410374457A CN 104164024 A CN104164024 A CN 104164024A
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Abstract
The invention discloses a semi-interpenetrating network high-foaming flame-retardant polyvinyl chloride alloy material consisting of the following components in parts by weight: 100 parts of polyvinyl chloride resin, 5-40 parts of a polymer toughening agent, 10-40 parts of a flame-retardant plasticizer, 10-60 parts of a halogen-free flame retardant, 5-20 parts of a thermal stabilizer, 10-50 parts of a crosslinking agent, 5-60 parts of a foaming agent and 5-40 parts of a reactive monomer. A preparation method comprises the following steps: (1) putting solid-state raw materials into a ball-mill mixer, and uniformly mixing; (2) adding liquid-state raw materials, mixing, and uniformly stirring the raw materials in a kneading machine to prepare a pre-pressing material; (3) plasticizing and foaming the pre-pressing material in a mold to obtain a mold-pressed product. The semi-interpenetrating network high-foaming flame-retardant polyvinyl chloride alloy material disclosed by the invention has the advantages as follows: the polyvinyl chloride alloy material has the characteristics of low density and high flame-retardant performance, is low in preparation cost, and can be used as heat-preservation, thermal-insulation and sound-insulation materials in the engineering fields of buildings, transportation vehicles, ships, aerospace and the like.
Description
Technical field
The present invention relates to rigid polyvinyl chloride based foam material, particularly a kind of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.
Background technology
High-foaming porous plastics typically refers to density lower than 100kg/m
3porous plastics, there is light weight, thermal conductivity is low, heat insulation, sound-proofing is good, good shock-absorbing capacity and specific tenacity advantages of higher, be used widely at industrial circles such as building, communications and transportation, packaging and space flight, national defence.Polyvinyl chloride-based low density closed-cell foamed plastics not moisture-sensitive, acid-alkali-corrosive-resisting, there is flame retardant resistance, can be applied in the equipment with strict fire protection requirement as in train.Along with the reinforcement of China to fire disasters protection management, the continuous appearance of the fire line codes and standards of building material product, the selection of following fire-retardant material will become the emphasis of building engineering construction, the having a extensive future of hard high-foaming pvc material.
Rigid polyvinyl chloride based foam material mainly divides two classes, and a class is low foamed products, and density is at 500kg/m
3left and right; Another kind of is that density is less than 100kg/m
3high-foaming product, at present the latter mostly is crosslinked herd polyvinyl chloride material, is mainly used in the structural foam core in bearing carrier sandwich structure, complex manufacturing cost is higher, and after forming materials, loses the mobility of secondary processing, not recyclable.
Summary of the invention
The object of the invention is to have problems for prior art, a kind of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material is provided, compared with existing crosslinked high-foaming pvc material, this polyvinyl chloride alloy material there is low density high flame retardant feature and preparation cost low, can be used as insulation, heat insulation, sound-proof material for engineering fields such as building, transportation and communication, boats and ships, aerospace.
Technical scheme of the present invention:
A kind of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, by polyvinyl chloride (PVC) RESINS, polymer toughening agent, flame-retardant plasticizer, halogen-free flame retardants, thermo-stabilizer, linking agent, whipping agent with can reaction monomers form, polyvinyl chloride (PVC) RESINS, polymer toughening agent, flame-retardant plasticizer, halogen-free flame retardants, thermo-stabilizer, linking agent, whipping agent and weight ratio that can reaction monomers are 100:5-40:10-40:10-60:5-20:10-50:5-60:5-40.
Described polymer toughening agent is the mixture of one or more arbitrary proportions in chlorinatedpolyethylene, acrylate copolymer and Acrylate-styrene bipolymer-butadienecopolymer; Described flame-retardant plasticizer is the mixture of one or more arbitrary proportions in triphenylphosphate, Tritolyl Phosphate, diphenyl octyl phosphate and phosphate toluene diphenyl ester; Described halogen-free flame retardants is the mixture of one or more arbitrary proportions in aluminium hydroxide, magnesium hydroxide, ammonium polyphosphate, trimeric cyanamide, zinc borate and weisspiessglanz; Described thermo-stabilizer is the mixture of one or more arbitrary proportions in lead stearate, tribasic lead sulfate, dibasic lead stearate, barium stearate, calcium stearate and Zinic stearas; Described linking agent is the mixture of one or more arbitrary proportions in trimethylolpropane trimethacrylate (TMPTMA), Viscoat 295 (TMPTA) and cyanacrylate (TAIC); Described whipping agent is the mixture of one or more arbitrary proportions in Cellmic C 121, azobisisobutyronitrile, azo-bis-iso-dimethyl, azo two eyeball in different heptan, sodium bicarbonate, zinc carbonate, magnesiumcarbonate, a fluorine ethylene dichloride, hexanaphthene, trichloromethane, methylene dichloride and Skellysolve A; Described can reaction monomers be the mixture of one or more arbitrary proportions in methyl methacrylate, vinyl acetate, vinyl cyanide and vinylbenzene.
A preparation method for described half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, step is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS, polymer toughening agent, fire retardant, solid-state whipping agent and thermo-stabilizer are placed in to ballmillmixer by weight and mix, obtain mixture;
2) by said mixture and liquid raw material softening agent, liquid whipping agent, linking agent with can reaction monomers stir and make pre-binder by weight mixing to be placed in kneader;
3) above-mentioned pre-binder is put into mould plasticizing under 170-200 DEG C and 10-30MPa pressure pressing that foams to obtain, then pressing is processed to 12-72 hour in 60-70 DEG C of damp heat box, can make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.
Advantage of the present invention is: this polyvinyl chloride alloy material there is low density high flame retardant feature and preparation cost low, can be used as insulation, heat insulation, sound-proof material for engineering fields such as building, transportation and communication, boats and ships, aerospace.
Embodiment
The substantive distinguishing features that the present invention is outstanding and unusual effect can be embodied from following embodiment, but they are not that the present invention is imposed any restrictions.
embodiment 1:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, acrylate copolymer, calcium stearate, Zinic stearas, aluminium hydroxide, Cellmic C 121, azobisisobutyronitrile, triphenylphosphate, vinyl cyanide and Ethylene glycol dimethacrylate, and its preparation process is as follows:
1) by solid feed polyvinyl chloride (PVC) RESINS 100g, acrylate copolymer 10g.Calcium stearate 4g, Zinic stearas 2g, aluminium hydroxide 8g, Cellmic C 121 3g and azobisisobutyronitrile 2g fully mix and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 5g, vinyl cyanide 10g and Ethylene glycol dimethacrylate 16g stir and make pre-binder;
3) above-mentioned pre-binder is put into mould plasticizing under 180 DEG C and 30MPa pressure pressing that foams to obtain, then pressing is processed 72 hours in 60 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 90kg/m
3, compressive strength 1.0MPa, oxygen index 35.
embodiment 2:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, acrylate copolymer, lead stearate, dibasic lead stearate, ammonium polyphosphate, azo-bis-iso-dimethyl, azo two eyeball in different heptan, triphenylphosphate, vinyl cyanide and Ethylene glycol dimethacrylate, and its preparation process is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS 100g, acrylate copolymer 20g, lead stearate 5g, dibasic lead stearate 10g, ammonium polyphosphate 8g, azo-bis-iso-dimethyl 3g and azo two eyeball 3g in different heptan are fully mixed and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 5g, vinyl cyanide 10g and Ethylene glycol dimethacrylate 16g stir and make pre-binder;
3) above-mentioned pre-binder is put into mould plasticizing under 190 DEG C and 20MPa pressure pressing that foams to obtain, then pressing is processed 24 hours in 65 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 70kg/m
3, compressive strength 0.8MPa, oxygen index 36.
embodiment 3:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, Acrylate-styrene bipolymer-butadienecopolymer 1, lead stearate, tribasic lead sulfate, aluminium hydroxide, zinc borate, Cellmic C 121, azo-bis-iso-dimethyl, triphenylphosphate, methyl methacrylate, a fluorine ethylene dichloride and trimethylolpropane trimethacrylate, and its preparation process is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS 100g, Acrylate-styrene bipolymer-butadienecopolymer 10g, lead stearate 4g, tribasic lead sulfate 14g, aluminium hydroxide 8g, zinc borate 3g, Cellmic C 121 5g and azo-bis-iso-dimethyl 3g are fully mixed and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 5g, methyl methacrylate 16g, a fluorine ethylene dichloride 30g and trimethylolpropane trimethacrylate 10g stir and make pre-binder;
3) above-mentioned pre-binder is put under 175 DEG C, mould and 30MPa pressure and plastified the pressing that foams to obtain, then pressing is processed 12 hours in 70 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 50kg/m
3, compressive strength 0.53 MPa, oxygen index 36.
embodiment 4:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, acrylate copolymer, calcium stearate, Zinic stearas, aluminium hydroxide, Cellmic C 121, azobisisobutyronitrile, triphenylphosphate, vinylbenzene, normal heptane, trichloromethane and Viscoat 295, and its preparation process is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS 100g, acrylate copolymer 30g, calcium stearate 6g, Zinic stearas 3g, aluminium hydroxide 28g, Cellmic C 121 4g, azobisisobutyronitrile 3g are fully mixed and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 15g, vinylbenzene 16g, normal heptane 20g, trichloromethane 20g and Viscoat 295 16g stir and make pre-binder;
3) above-mentioned pre-binder is put under 180 DEG C, mould and 15MPa pressure and plastified the pressing that foams to obtain, then pressing is processed 24 hours in 70 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 43kg/m
3, compressive strength 0.08MPa, oxygen index 33.
embodiment 5:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, Acrylate-styrene bipolymer-butadienecopolymer, calcium stearate, Zinic stearas, magnesium hydroxide, Cellmic C 121, azobisisobutyronitrile, triphenylphosphate, vinyl cyanide, a fluorine ethylene dichloride, trichloromethane and Ethylene glycol dimethacrylate, and its preparation process is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS 100g, Acrylate-styrene bipolymer-butadienecopolymer 10g, calcium stearate 8g, Zinic stearas 4g, magnesium hydroxide 8g, Cellmic C 121 3g and azobisisobutyronitrile 2g are fully mixed and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 5g, vinyl cyanide 26g, a fluorine ethylene dichloride 10g, trichloromethane 20g and Ethylene glycol dimethacrylate 36g stir and make pre-binder;
3) above-mentioned pre-binder is put under 195 DEG C, mould and 20MPa pressure and plastified the pressing that foams to obtain, then pressing is processed 36 hours in 65 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 45kg/m
3, compressive strength 0.082MPa, oxygen index 34.
embodiment 6:
A kind of preparation method of half complementary networks high-foaming flame-proof polyvinyl chloride alloy material, described polyvinyl chloride alloy material is made up of polyvinyl chloride (PVC) RESINS, chlorinatedpolyethylene, calcium stearate, Zinic stearas, aluminium hydroxide, Cellmic C 121, azo two eyeball in different heptan, triphenylphosphate, vinyl cyanide, hexanaphthene, trichloromethane and Ethylene glycol dimethacrylate, and its preparation process is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS 100g, chlorinatedpolyethylene 10g, calcium stearate 6g, Zinic stearas 3g, aluminium hydroxide 18g, Cellmic C 121 3g and azo two eyeball 2g in different heptan are fully mixed and are placed in ballmillmixer and mix with high-speed mixer, obtain mixture;
2) said mixture is mixed to be placed in kneader with liquid raw material triphenylphosphate 15g, vinyl cyanide 15g, hexanaphthene 20g, trichloromethane 30g and Ethylene glycol dimethacrylate 15g stir and make pre-binder;
3) above-mentioned pre-binder is put under 180 DEG C, mould and 15MPa pressure and plastified the pressing that foams to obtain, then pressing is processed 30 hours in 65 DEG C of damp heat boxes, make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.Detection shows: material apparent density 40kg/m
3, compressive strength 0.076MPa, oxygen index 33.
Claims (3)
1. one and half complementary networks high-foaming flame-proof polyvinyl chloride alloy materials, it is characterized in that: by polyvinyl chloride (PVC) RESINS, polymer toughening agent, flame-retardant plasticizer, halogen-free flame retardants, thermo-stabilizer, linking agent, whipping agent with can reaction monomers form, polyvinyl chloride (PVC) RESINS, polymer toughening agent, flame-retardant plasticizer, halogen-free flame retardants, thermo-stabilizer, linking agent, whipping agent and weight ratio that can reaction monomers are 100:5-40:10-40:10-60:5-20:10-50:5-60:5-40.
2. half complementary networks high-foaming flame-proof polyvinyl chloride alloy material according to claim 1, is characterized in that: described polymer toughening agent is the mixture of one or more arbitrary proportions in chlorinatedpolyethylene, acrylate copolymer and Acrylate-styrene bipolymer-butadienecopolymer; Described flame-retardant plasticizer is the mixture of one or more arbitrary proportions in triphenylphosphate, Tritolyl Phosphate, diphenyl octyl phosphate and phosphate toluene diphenyl ester; Described halogen-free flame retardants is the mixture of one or more arbitrary proportions in aluminium hydroxide, magnesium hydroxide, ammonium polyphosphate, trimeric cyanamide, zinc borate and weisspiessglanz; Described thermo-stabilizer is the mixture of one or more arbitrary proportions in lead stearate, tribasic lead sulfate, dibasic lead stearate, barium stearate, calcium stearate and Zinic stearas; Described linking agent is the mixture of one or more arbitrary proportions in trimethylolpropane trimethacrylate (TMPTMA), Viscoat 295 (TMPTA) and cyanacrylate (TAIC); Described whipping agent is the mixture of one or more arbitrary proportions in Cellmic C 121, azobisisobutyronitrile, azo-bis-iso-dimethyl, azo two eyeball in different heptan, sodium bicarbonate, zinc carbonate, magnesiumcarbonate, a fluorine ethylene dichloride, hexanaphthene, trichloromethane, methylene dichloride and Skellysolve A; Described can reaction monomers be the mixture of one or more arbitrary proportions in methyl methacrylate, vinyl acetate, vinyl cyanide and vinylbenzene.
3. a preparation method for half complementary networks high-foaming flame-proof polyvinyl chloride alloy material as claimed in claim 1, is characterized in that step is as follows:
1) solid feed polyvinyl chloride (PVC) RESINS, polymer toughening agent, fire retardant, solid-state whipping agent and thermo-stabilizer are placed in to ballmillmixer by weight and mix, obtain mixture;
2) by said mixture and liquid raw material softening agent, liquid whipping agent, linking agent with can reaction monomers stir and make pre-binder by weight mixing to be placed in kneader;
3) above-mentioned pre-binder is put into mould plasticizing under 170-200 DEG C and 10-30MPa pressure pressing that foams to obtain, then pressing is processed to 12-72 hour in 60-70 DEG C of damp heat box, can make half complementary networks high-foaming flame-proof polyvinyl chloride alloy material.
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| CN105086262A (en) * | 2015-08-26 | 2015-11-25 | 安徽北马科技有限公司 | Light wood-plastic composite material for outdoor use |
| CN106751197A (en) * | 2016-12-16 | 2017-05-31 | 吴中区穹窿山天仲高分子材料技术研究所 | A kind of novel flame-retardant expanded material |
| CN107558248A (en) * | 2017-09-29 | 2018-01-09 | 成都新柯力化工科技有限公司 | A kind of method that foam leather is prepared using electrostatic |
| CN109503983A (en) * | 2018-10-22 | 2019-03-22 | 江苏理工学院 | A kind of environmental protection flame retardant PVC foam material and preparation method thereof |
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| CN109503983A (en) * | 2018-10-22 | 2019-03-22 | 江苏理工学院 | A kind of environmental protection flame retardant PVC foam material and preparation method thereof |
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